This 5V power supply can provide a power source for any electronic device that has an C-type barrel and requires 5 volts and up to 4 amps of power. Replace your failed or lost power adapter The adapter is a perfect replacement for the lost or damaged power adapter you've used to power your existing electronics. Keep a spare power adapter on hand When downtime isn't an option, keeping spare power adapters on hand ensures that you won't be left waiting for a replacement to arrive or have to replace your devices just for the sake of a compatible power source. The SVA5M4NEUA is backed by a StarTech.com 2-year warranty and free lifetime technical support.